A Huge Black Diamond, Purportedly From Outer Space, Is Now Up for Sale
The gem known as the ‘Enigma’ is expected to fetch around $7 million at auction,
though experts are skeptical of its cosmic origin
Corryn Wetzel, Smithsonian Magazine, January 21, 2022
[www.smithsonianmag.com]

Sotheby's unveils 555.55-carat black diamond thought to come from outer space
Associated Press, January 17, 2022
[www.npr.org]

Out of this world: 555.55-carat black diamond lands in Dubai
Associated Press, January 17, 2022
[apnews.com]

55-sided, 555-carat 'Enigma' black diamond (potentially from space) goes on sale
By Harry Baker, Live Science
[www.livescience.com]

Some papers:

Haggerty, S.E., 2017. Carbonado diamonds: A review of properties and origin.
Gems & Gemology, 53(2).
Link to PDF: [www.researchgate.net]

Garai, J., Haggerty, S.E., Rekhi, S. and Chance, M., 2006. Infrared absorption
investigations confirm the extraterrestrial origin of carbonado diamonds. The
Astrophysical Journal Letters, 653(2), p.L153.
PDF of paper: [iopscience.iop.org]
Abstract of paper: [iopscience.iop.org]

Demény, A., Nagy, G., Bajnóczi, B., Németh, T., Garai, J., Drozd, V. and Hegner,
E., 2011. Hydrogen isotope compositions in carbonado diamond: constraints on
terrestrial formation. Central European Geology, 54(1-2), pp.51-74.
Link to PDF: [www.academia.edu]
PDF of Paper: [real.mtak.hu]

Your,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)



Edited 1 time(s). Last edit at 01/21/2022 08:43PM by Paul H..